expedition together. She provides the key. Dorje Tenzing A Sherpa member of Hal's crew on board the Sagarmatha. John Rath A man looking for money and hoping to take it from the Hyperion. George Barton An old rival of Theodore Grunel. Theodore Grunel A slightly eccentric inventor who sailed away on the Hyperion in order to escape Barton, Grunel is frozen on the Hyperion. Hal Slater' Owner of the Sagarmatha, a skybreaker. Publication history Skybreaker was first released in Canada in September 2005. It was shortly followed releases in the United Kingdom and the United States in September and December 2005, respectively. Below are the release details for the first edition hardback and paperback copies in these three publication regions. 2005, CAN, HarperCollins , Pub. date July 20, 2005, Hardback 2005, UK, Hodder Children's Books , Pub. date September 15, 2005, Hardback 2005, US, Eos , Pub. date November 29, 2005, Hardback 2006, CAN, HarperCollins , Pub. date August 17, 2006, Paperback 2006, UK, Hodder Children's Books , Pub. date September 7, 2006, Paperback 2007, US, Eos , Pub. date January 2, 2007, Paperback See also Airborn Starclimber'' Kenneth Oppel External links 2005 Canadian novels Canadian fantasy novels Alternate history novels Novels by Kenneth Oppel Canadian steampunk novels Hyperion Aviation novels HarperCollins books 2005 children's books